A Co Armagh farmer who gave evidence by video link from Belfast was described by a judge at the Special Criminal Court in Dublin today as "terrified'' when he repeatedly said he could not remember working for Colm Murphy, the man accused of conspiracy in relation to the 1998 Omagh bombing.

A key prosecution witness in the trial of Colm Murphy, the only man charged in connection with the Omagh bomb, today retracted his evidence at the Special Criminal Court.